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What is the main purpose of chromosome pairing in meiosis I? Group of answer choices For crossing...

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Biology

What is the main purpose of chromosome pairing in meiosis I?

Group of answer choices

For crossing over to occur

For proper chromosome segregation to occur

For mitosis to occur

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Question 291 pts

Male bees are haploid. How do they produce gametes?

Group of answer choices

By mitosis

By meiosis

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Question 301 pts

Which of the following determines the correct segregation of Xand Y chromosomes during meiosis I in humans (males):

Group of answer choices

Lack of homology between X and Y

Presence of “pseudoautosomal” (PAR) regions shared by X andY

The presence of the SRY gene

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Answer For crossing over to occur and For proper chromosome segregation to occur Rationale In meiosis duplicated homologous chromosomes paired up at the equator of the spindle    See Answer
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